Home / 412,547.02-618,821.10-113,030.20

Finding the Fourth Proportional to 412,547.02, 618,821.10 and 113,030.20

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Solution

The fourth proportional to 412,547.02, 618,821.10 and 113,030.20 is: 169,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,547.02 : 618,821.10 = 113,030.20 : x
  2. Step 2: Convert to fraction form
    412,547.02/618,821.10 = 113,030.20/x
  3. Step 3: Cross multiply
    412,547.02x = 618,821.10 × 113,030.20
  4. Step 4: Simplify right side
    412,547.02x = 69,945,472,697.22
  5. Step 5: Solve for x
    x = 69,945,472,697.22/412,547.02
  6. Step 6: Final answer
    x = 169,545.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.